Final answer:
Portugal controlled Brazil in South America through imperialism in the 1800s.
Explanation:
Portugal controlled a large amount of land in South America in the 1800s as a result of imperialism, particularly Brazil. Portugal claimed Brazil as its empire and focused on plantation agriculture for profits, along with the extensive use of African slaves. The Treaty of Tordesillas in 1494 divided South America between Spain and Portugal, with Brazil falling under Portuguese control.
Learn more about European Imperialism in South America
